/* 中间 */
.content {
	min-height: 540px;
}

/* 右边内容 */
.center_content {
	float: left;
	min-height: 540px;
	margin-top: -20px;
	margin-left: 30px;
}

#nav {
	width: 872px;
	height: auto;
}

#nav li {
	display: inline-block;
	width: 302px;
	height: 34px;
}

#nav a {
	position: relative;
}

#nav .a_prohibit {
    pointer-events: none;
    cursor: default;
}

#nav a .text { 
	display: inline-block;
	margin-right: 20px;
	float: left;
	background-color: #ddd;
	height: 34px;
	line-height: 34px;
	text-align: center;
	color: #fff;
}

#nav .li_a1 .text, #nav .li_a2 .text {
	width: 288px;
}

#nav .li_a3 .text,#nav .li_a3 {
	width: 292px;
}

#nav a .number {
	font-size: 18px;
	font-weight: 700;
}

.li_a1, #canvas1 {
	z-index: 3;
}

.li_a2, #canvas2, #canvas3 {
	z-index: 2;
}

.li_a3, #canvas4 {
	z-index: 1;
}

.li_a2, .li_a3 {
	margin-left: -17px;
}

#nav .active .text {
	background-color: #04a2ca;
}

#nav canvas {
	position: absolute;
	top: 0;
}

#nav #canvas1 {
	right: 6px;
}

#nav #canvas3 {
	right: 7px;
}

#nav #canvas2 {
	right: 294px;
}

#nav #canvas4 {
	left: 0;
}

.center_info {
	width: 864px;
	height: auto;
	background-color: #f6f6f6;
	padding-bottom: 60px;
	padding-left: 8px;
}

.content_title {
	margin-top: 20px;
	padding-top: 5px;
}

.content_title h4 {
	padding: 2px 0px 1px 11px;
	border-left: 3px solid #28b0fd;
	font-size: 18px;
	color: #8c8c8c;
}

.content_title hr { 
	margin-left: 3px;
}

.content_form form {
	margin-top: 44px;
	text-align: left;
	margin-left: 280px;
	color: #898989;
	font-weight: 600;
}

.content_form select {
	width: 218px;
	height: 30px;
	margin-left: 55px;
}

.content_form input.text {
	width: 206px;
	height: 26px;
}

.content_form .color {
	color: red;
}

.content_form .btn {
	padding: 8px 21px;
	color: #9490ac;
	background-color: #fff;
	font-size: 16px;
	border: 1px solid #dcdcdc;
	border-radius: 5px;
	margin: 10px -70px 0 70px;
	cursor: pointer;
}

.content_form .btn:hover {
	background-color: #eee;
}

.content_form .active_btn {
	background-color: #1b6fbd;
	color: #fff;
}

.content_form .active_btn:hover {
	background-color: rgba(27,111,189,.8);
	color: #fff;
}